Home / 2,146.63-2,962.74-1,262.49

Finding the Fourth Proportional to 2,146.63, 2,962.74 and 1,262.49

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Solution

The fourth proportional to 2,146.63, 2,962.74 and 1,262.49 is: 1,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.63 : 2,962.74 = 1,262.49 : x
  2. Step 2: Convert to fraction form
    2,146.63/2,962.74 = 1,262.49/x
  3. Step 3: Cross multiply
    2,146.63x = 2,962.74 × 1,262.49
  4. Step 4: Simplify right side
    2,146.63x = 3,740,429.62
  5. Step 5: Solve for x
    x = 3,740,429.62/2,146.63
  6. Step 6: Final answer
    x = 1,742.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.